45442164244051 has 4 divisors (see below), whose sum is σ = 45442182409992. Its totient is φ = 45442146078112.

The previous prime is 45442164244021. The next prime is 45442164244079. The reversal of 45442164244051 is 15044246124454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45442164244051 - 2³⁵ = 45407804505683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45442164243992 and 45442164244010.

It is not an unprimeable number, because it can be changed into a prime (45442164244021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4589830 + ... + 10580683.

It is an arithmetic number, because the mean of its divisors is an integer number (11360545602498).

Almost surely, 2^{45442164244051} is an apocalyptic number.

45442164244051 is a deficient number, since it is larger than the sum of its proper divisors (18165941).

45442164244051 is a wasteful number, since it uses less digits than its factorization.

45442164244051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18165940.

The product of its (nonzero) digits is 2457600, while the sum is 46.

The spelling of 45442164244051 in words is "forty-five trillion, four hundred forty-two billion, one hundred sixty-four million, two hundred forty-four thousand, fifty-one".